2640151311

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{1373}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 4170276864

約数和(自身を除く): 1530125553

約数列:

[1, 3, 7, 21, 49, 103, 127, 147, 309, 381, 721, 889, 1373, 2163, 2667, 4119, 5047, 6223, 9611, 13081, 15141, 18669, 28833, 39243, 67277, 91567, 141419, 174371, 201831, 274701, 424257, 523113, 640969, 989933, 1220597, 1922907, 2969799, 3661791, 6929531, 8544179, 17960213, 20788593, 25632537, 53880639, 125721491, 377164473, 880050437, 2640151311]

約数ペア:

[(1, 2640151311), (3, 880050437), (7, 377164473), (21, 125721491), (49, 53880639), (103, 25632537), (127, 20788593), (147, 17960213), (309, 8544179), (381, 6929531), (721, 3661791), (889, 2969799), (1373, 1922907), (2163, 1220597), (2667, 989933), (4119, 640969), (5047, 523113), (6223, 424257), (9611, 274701), (13081, 201831), (15141, 174371), (18669, 141419), (28833, 91567), (39243, 67277)]